./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ed7cb0d7dd44f90c8f2664b0f68587fb54e832248476997225ec2aff393c799 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:21:18,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:21:18,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:21:18,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:21:18,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:21:18,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:21:18,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:21:18,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:21:18,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:21:18,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:21:18,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:21:18,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:21:18,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:21:18,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:21:18,785 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:21:18,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:21:18,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:21:18,786 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:21:18,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:21:18,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:21:18,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:21:18,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:21:18,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:21:18,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:18,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:18,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:18,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:18,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:21:18,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:18,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:18,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:18,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:18,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:21:18,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:21:18,790 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:21:18,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:21:18,792 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7cb0d7dd44f90c8f2664b0f68587fb54e832248476997225ec2aff393c799 [2024-11-23 18:21:19,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:21:19,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:21:19,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:21:19,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:21:19,140 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:21:19,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i [2024-11-23 18:21:22,312 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/916005b35/380d0646165947e3afbae202286f57cd/FLAG9eb848560 [2024-11-23 18:21:22,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:21:22,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i [2024-11-23 18:21:22,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/916005b35/380d0646165947e3afbae202286f57cd/FLAG9eb848560 [2024-11-23 18:21:22,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/916005b35/380d0646165947e3afbae202286f57cd [2024-11-23 18:21:22,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:21:22,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:21:22,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:22,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:21:22,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:21:22,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:22" (1/1) ... [2024-11-23 18:21:22,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6debe49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:22, skipping insertion in model container [2024-11-23 18:21:22,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:22" (1/1) ... [2024-11-23 18:21:22,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:21:22,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i[917,930] [2024-11-23 18:21:22,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:23,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:21:23,037 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i[917,930] [2024-11-23 18:21:23,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:23,118 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:21:23,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23 WrapperNode [2024-11-23 18:21:23,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:23,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:23,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:21:23,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:21:23,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,198 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2024-11-23 18:21:23,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:23,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:21:23,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:21:23,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:21:23,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,252 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:21:23,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:21:23,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:21:23,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:21:23,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:21:23,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (1/1) ... [2024-11-23 18:21:23,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:23,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:23,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:21:23,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:21:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:21:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:21:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:21:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:21:23,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:21:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:21:23,474 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:21:23,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:21:23,756 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 18:21:23,757 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:21:23,777 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:21:23,777 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:21:23,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:23 BoogieIcfgContainer [2024-11-23 18:21:23,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:21:23,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:21:23,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:21:23,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:21:23,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:21:22" (1/3) ... [2024-11-23 18:21:23,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457cbe11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:23, skipping insertion in model container [2024-11-23 18:21:23,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:23" (2/3) ... [2024-11-23 18:21:23,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457cbe11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:23, skipping insertion in model container [2024-11-23 18:21:23,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:23" (3/3) ... [2024-11-23 18:21:23,792 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-24.i [2024-11-23 18:21:23,812 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:21:23,814 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-24.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:21:23,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:21:23,923 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e6c7375, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:21:23,923 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:21:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:21:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 18:21:23,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:23,944 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:23,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:23,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash -35554996, now seen corresponding path program 1 times [2024-11-23 18:21:23,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:23,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693637371] [2024-11-23 18:21:23,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:23,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-23 18:21:24,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:24,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693637371] [2024-11-23 18:21:24,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693637371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:24,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125753226] [2024-11-23 18:21:24,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:24,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:24,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:24,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:21:24,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:21:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:24,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:21:24,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-23 18:21:24,584 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:24,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125753226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:24,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:21:24,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:21:24,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909775490] [2024-11-23 18:21:24,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:24,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:21:24,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:24,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:21:24,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:24,620 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 18:21:24,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:24,654 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-23 18:21:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:21:24,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-23 18:21:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:24,665 INFO L225 Difference]: With dead ends: 87 [2024-11-23 18:21:24,665 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 18:21:24,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:24,675 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:24,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:21:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 18:21:24,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-23 18:21:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:21:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-23 18:21:24,727 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-23 18:21:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:24,728 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-23 18:21:24,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 18:21:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-23 18:21:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 18:21:24,732 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:24,732 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:24,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:21:24,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:21:24,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:24,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1725162186, now seen corresponding path program 1 times [2024-11-23 18:21:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:24,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517742941] [2024-11-23 18:21:24,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:24,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-23 18:21:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517742941] [2024-11-23 18:21:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517742941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:21:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2425386] [2024-11-23 18:21:26,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:26,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:26,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:26,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:21:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:21:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:26,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-23 18:21:26,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 54 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-23 18:21:26,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-23 18:21:27,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2425386] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:21:27,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:21:27,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-11-23 18:21:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755458882] [2024-11-23 18:21:27,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:21:27,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-23 18:21:27,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:27,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-23 18:21:27,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:21:27,069 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-23 18:21:28,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:28,225 INFO L93 Difference]: Finished difference Result 190 states and 254 transitions. [2024-11-23 18:21:28,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-23 18:21:28,226 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 96 [2024-11-23 18:21:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:28,229 INFO L225 Difference]: With dead ends: 190 [2024-11-23 18:21:28,229 INFO L226 Difference]: Without dead ends: 150 [2024-11-23 18:21:28,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=307, Invalid=815, Unknown=0, NotChecked=0, Total=1122 [2024-11-23 18:21:28,234 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 118 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:28,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 300 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 18:21:28,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-23 18:21:28,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 54. [2024-11-23 18:21:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:21:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2024-11-23 18:21:28,263 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 96 [2024-11-23 18:21:28,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:28,264 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2024-11-23 18:21:28,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-23 18:21:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2024-11-23 18:21:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 18:21:28,266 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:28,266 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:28,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:21:28,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:21:28,468 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:28,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:28,468 INFO L85 PathProgramCache]: Analyzing trace with hash 915815560, now seen corresponding path program 1 times [2024-11-23 18:21:28,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:28,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925169217] [2024-11-23 18:21:28,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:28,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:21:28,579 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:21:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:21:28,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:21:28,690 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:21:28,691 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:21:28,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:21:28,699 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 18:21:28,821 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:21:28,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:21:28 BoogieIcfgContainer [2024-11-23 18:21:28,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:21:28,829 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:21:28,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:21:28,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:21:28,830 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:23" (3/4) ... [2024-11-23 18:21:28,834 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:21:28,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:21:28,837 INFO L158 Benchmark]: Toolchain (without parser) took 6198.45ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 50.1MB in the end (delta: 42.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,837 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.47ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.5MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.52ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,839 INFO L158 Benchmark]: Boogie Preprocessor took 87.69ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,840 INFO L158 Benchmark]: RCFGBuilder took 485.00ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 59.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,840 INFO L158 Benchmark]: TraceAbstraction took 5045.90ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 50.1MB in the end (delta: 9.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-23 18:21:28,841 INFO L158 Benchmark]: Witness Printer took 6.67ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:21:28,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.47ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.5MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.52ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.69ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.00ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 59.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5045.90ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 50.1MB in the end (delta: 9.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 6.67ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] signed char var_1_4 = 16; [L25] signed char var_1_5 = 4; [L26] signed char var_1_6 = 0; [L27] unsigned short int var_1_7 = 0; [L28] unsigned short int var_1_10 = 55182; [L29] unsigned char var_1_12 = 0; [L30] unsigned char var_1_14 = 1; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 100; [L33] float var_1_17 = 2.25; [L34] float var_1_18 = 199.4; [L35] signed char var_1_19 = -128; VAL [isInitial=0, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L92] isInitial = 1 [L93] FCALL initially() [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=0, var_1_7=0] [L64] var_1_4 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=4, var_1_6=0, var_1_7=0] [L65] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=4, var_1_6=0, var_1_7=0] [L66] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=4, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=4, var_1_6=0, var_1_7=0] [L66] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=4, var_1_6=0, var_1_7=0] [L67] var_1_5 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=0, var_1_7=0] [L68] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=0, var_1_7=0] [L69] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=0, var_1_7=0] [L69] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=0, var_1_7=0] [L70] var_1_6 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_6 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L71] RET assume_abort_if_not(var_1_6 >= -127) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L72] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L72] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=55182, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L73] var_1_10 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L74] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L75] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L75] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L77] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L78] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L78] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L79] var_1_15 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L80] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L81] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L81] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_18=997/5, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L82] var_1_18 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L83] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L96] RET updateVariables() [L97] CALL step() [L39] COND FALSE !(! var_1_2) [L42] var_1_12 = ((! var_1_15) || (! (! 0))) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=100, var_1_17=9/4, var_1_19=-128, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L44] var_1_16 = var_1_5 [L45] var_1_17 = var_1_18 [L46] var_1_19 = var_1_4 VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=125, var_1_17=65539, var_1_18=65539, var_1_19=125, var_1_1=32, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L47] COND FALSE !(var_1_12 || (64.75f < var_1_17)) [L54] var_1_1 = var_1_4 VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=125, var_1_17=65539, var_1_18=65539, var_1_19=125, var_1_1=125, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=0] [L56] COND TRUE (((((var_1_17 * 127.75)) > ((var_1_17 / 3.4))) ? ((var_1_17 * 127.75)) : ((var_1_17 / 3.4)))) >= var_1_17 [L57] var_1_7 = (((((var_1_10 - (22925 - var_1_5))) < (var_1_16)) ? ((var_1_10 - (22925 - var_1_5))) : (var_1_16))) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=125, var_1_17=65539, var_1_18=65539, var_1_19=125, var_1_1=125, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=125] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return ((((((var_1_12 || (64.75f < var_1_17)) ? (var_1_12 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) ((((((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) < (var_1_6)) ? (((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6)))))) : (var_1_1 == ((signed char) var_1_4))) && (((((((var_1_17 * 127.75)) > ((var_1_17 / 3.4))) ? ((var_1_17 * 127.75)) : ((var_1_17 / 3.4)))) >= var_1_17) ? (var_1_7 == ((unsigned short int) (((((var_1_10 - (22925 - var_1_5))) < (var_1_16)) ? ((var_1_10 - (22925 - var_1_5))) : (var_1_16))))) : 1)) && ((! var_1_2) ? (var_1_12 == ((unsigned char) var_1_14)) : (var_1_12 == ((unsigned char) ((! var_1_15) || (! (! 0))))))) && (var_1_16 == ((unsigned char) var_1_5))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((signed char) var_1_4)) ; VAL [\result=0, isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=125, var_1_17=65539, var_1_18=65539, var_1_19=125, var_1_1=125, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=125] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=125, var_1_17=65539, var_1_18=65539, var_1_19=125, var_1_1=125, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=125] [L19] reach_error() VAL [isInitial=1, var_1_10=65534, var_1_12=0, var_1_14=1, var_1_15=1, var_1_16=125, var_1_17=65539, var_1_18=65539, var_1_19=125, var_1_1=125, var_1_2=1, var_1_4=125, var_1_5=125, var_1_6=126, var_1_7=125] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 361 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 226 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 135 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 285 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=2, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 96 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 480 NumberOfCodeBlocks, 480 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 475 ConstructedInterpolants, 0 QuantifiedInterpolants, 775 SizeOfPredicates, 3 NumberOfNonLiveVariables, 466 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 1994/2100 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:21:28,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ed7cb0d7dd44f90c8f2664b0f68587fb54e832248476997225ec2aff393c799 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:21:32,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:21:32,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:21:32,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:21:32,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:21:32,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:21:32,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:21:32,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:21:32,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:21:32,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:21:32,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:21:32,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:21:32,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:21:32,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:21:32,277 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:21:32,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:21:32,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:21:32,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:21:32,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:21:32,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:21:32,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:21:32,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:21:32,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:21:32,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:21:32,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:21:32,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:21:32,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:21:32,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:21:32,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:21:32,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:21:32,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:21:32,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:32,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:32,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:32,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:32,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:21:32,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:21:32,281 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:21:32,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:21:32,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:32,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:21:32,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:21:32,282 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:21:32,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:21:32,282 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:21:32,282 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:21:32,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:21:32,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:21:32,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:21:32,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:21:32,283 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7cb0d7dd44f90c8f2664b0f68587fb54e832248476997225ec2aff393c799 [2024-11-23 18:21:32,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:21:32,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:21:32,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:21:32,685 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:21:32,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:21:32,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i [2024-11-23 18:21:35,902 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/34007722b/3f53185e3bec4b449ca86c59897f0280/FLAG68fe34ad4 [2024-11-23 18:21:36,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:21:36,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i [2024-11-23 18:21:36,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/34007722b/3f53185e3bec4b449ca86c59897f0280/FLAG68fe34ad4 [2024-11-23 18:21:36,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/data/34007722b/3f53185e3bec4b449ca86c59897f0280 [2024-11-23 18:21:36,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:21:36,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:21:36,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:36,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:21:36,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:21:36,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645c1be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36, skipping insertion in model container [2024-11-23 18:21:36,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:21:36,571 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i[917,930] [2024-11-23 18:21:36,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:36,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:21:36,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-24.i[917,930] [2024-11-23 18:21:36,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:21:36,764 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:21:36,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36 WrapperNode [2024-11-23 18:21:36,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:21:36,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:36,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:21:36,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:21:36,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,822 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-23 18:21:36,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:21:36,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:21:36,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:21:36,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:21:36,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,864 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:21:36,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,873 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:21:36,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:21:36,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:21:36,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:21:36,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (1/1) ... [2024-11-23 18:21:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:21:36,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:21:36,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:21:36,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:21:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:21:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:21:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:21:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:21:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:21:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:21:37,076 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:21:37,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:21:49,778 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-23 18:21:49,779 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:21:49,792 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:21:49,792 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:21:49,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:49 BoogieIcfgContainer [2024-11-23 18:21:49,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:21:49,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:21:49,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:21:49,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:21:49,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:21:36" (1/3) ... [2024-11-23 18:21:49,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6e63c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:49, skipping insertion in model container [2024-11-23 18:21:49,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:36" (2/3) ... [2024-11-23 18:21:49,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a6e63c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:49, skipping insertion in model container [2024-11-23 18:21:49,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:49" (3/3) ... [2024-11-23 18:21:49,805 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-24.i [2024-11-23 18:21:49,823 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:21:49,826 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-24.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:21:49,921 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:21:49,941 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@798653e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:21:49,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:21:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:21:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 18:21:49,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:49,962 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:49,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:49,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:49,972 INFO L85 PathProgramCache]: Analyzing trace with hash -35554996, now seen corresponding path program 1 times [2024-11-23 18:21:49,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:49,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852243474] [2024-11-23 18:21:49,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:49,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:49,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:49,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:49,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 18:21:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:51,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:21:51,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-23 18:21:51,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:21:51,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:51,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852243474] [2024-11-23 18:21:51,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852243474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:51,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:51,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:21:51,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349179944] [2024-11-23 18:21:51,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:51,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:21:51,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:51,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:21:51,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:51,278 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 18:21:51,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:51,304 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2024-11-23 18:21:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:21:51,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-23 18:21:51,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:51,313 INFO L225 Difference]: With dead ends: 87 [2024-11-23 18:21:51,314 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 18:21:51,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:21:51,322 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:51,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:21:51,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 18:21:51,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-23 18:21:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:21:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2024-11-23 18:21:51,376 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2024-11-23 18:21:51,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:51,376 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2024-11-23 18:21:51,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 18:21:51,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2024-11-23 18:21:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 18:21:51,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:51,384 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:51,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 18:21:51,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:51,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:21:51,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:51,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1725162186, now seen corresponding path program 1 times [2024-11-23 18:21:51,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:21:51,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140114252] [2024-11-23 18:21:51,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:51,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:21:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:21:51,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:21:51,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 18:21:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:52,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:21:52,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:21:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 200 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-23 18:21:54,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:21:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-23 18:21:56,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:21:56,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140114252] [2024-11-23 18:21:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140114252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:21:56,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:21:56,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-23 18:21:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233493792] [2024-11-23 18:21:56,447 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:21:56,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 18:21:56,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:21:56,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 18:21:56,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:21:56,450 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 18:22:02,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:06,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:10,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:14,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:18,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:22,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:26,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:29,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:33,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:33,773 INFO L93 Difference]: Finished difference Result 190 states and 254 transitions. [2024-11-23 18:22:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-23 18:22:33,775 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 96 [2024-11-23 18:22:33,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:33,778 INFO L225 Difference]: With dead ends: 190 [2024-11-23 18:22:33,778 INFO L226 Difference]: Without dead ends: 150 [2024-11-23 18:22:33,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-23 18:22:33,781 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 174 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 133 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:33,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 256 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 309 Invalid, 7 Unknown, 0 Unchecked, 34.9s Time] [2024-11-23 18:22:33,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-23 18:22:33,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 54. [2024-11-23 18:22:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:22:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2024-11-23 18:22:33,807 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 96 [2024-11-23 18:22:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:33,808 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2024-11-23 18:22:33,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 18:22:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2024-11-23 18:22:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 18:22:33,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:33,812 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:33,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 18:22:34,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:34,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:34,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash 915815560, now seen corresponding path program 1 times [2024-11-23 18:22:34,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:34,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610752374] [2024-11-23 18:22:34,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:34,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:34,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:34,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:22:34,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0242aec-98e0-4a12-b3b9-3d80ee647942/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 18:22:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:35,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-23 18:22:35,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:46,751 WARN L286 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:22:54,952 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:03,297 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:08,405 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:16,737 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:25,067 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:33,385 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:41,704 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:50,075 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:23:58,451 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:05,663 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:14,020 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:21,936 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:30,274 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:38,592 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:46,920 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:24:55,244 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:25:03,599 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:25:11,995 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 18:25:16,109 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 (bvadd (bvneg (bvadd (_ bv22925 32) (bvneg ((_ sign_extend 24) c_~var_1_5~0)))) ((_ zero_extend 16) c_~var_1_10~0))) (.cse0 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= ((_ extract 15 0) .cse0) c_~var_1_7~0) (not .cse1)) (and (= ((_ extract 15 0) .cse2) c_~var_1_7~0) .cse1)))) (= c_~var_1_4~0 c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.leq c_~var_1_18~0 (fp.neg .cse3))) (fp.geq c_~var_1_18~0 .cse3))) (bvsge ((_ zero_extend 24) c_~var_1_15~0) (_ bv1 32)) (= c_~var_1_4~0 c_~var_1_19~0) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0))) (let ((.cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0))))) (or (fp.geq .cse4 .cse5) (let ((.cse6 (fp.mul c_currentRoundingMode .cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (fp.gt .cse6 .cse4) (fp.geq .cse6 .cse5)))))) (= c_~var_1_18~0 c_~var_1_17~0) (not (fp.lt ((_ to_fp 8 24) c_currentRoundingMode (/ 259.0 4.0)) c_~var_1_17~0)) (= (_ bv0 8) c_~var_1_12~0) (= c_~var_1_5~0 c_~var_1_16~0) (not (= (_ bv0 8) c_~var_1_2~0))) is different from false [2024-11-23 18:25:20,205 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 (bvadd (bvneg (bvadd (_ bv22925 32) (bvneg ((_ sign_extend 24) c_~var_1_5~0)))) ((_ zero_extend 16) c_~var_1_10~0))) (.cse0 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse1 (bvslt .cse2 .cse0))) (or (and (= ((_ extract 15 0) .cse0) c_~var_1_7~0) (not .cse1)) (and (= ((_ extract 15 0) .cse2) c_~var_1_7~0) .cse1)))) (= c_~var_1_4~0 c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 (fp.neg ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.leq c_~var_1_18~0 (fp.neg .cse3))) (fp.geq c_~var_1_18~0 .cse3))) (bvsge ((_ zero_extend 24) c_~var_1_15~0) (_ bv1 32)) (= c_~var_1_4~0 c_~var_1_19~0) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_17~0))) (let ((.cse4 (fp.div c_currentRoundingMode .cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0))))) (or (fp.geq .cse4 .cse5) (let ((.cse6 (fp.mul c_currentRoundingMode .cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))))) (and (fp.gt .cse6 .cse4) (fp.geq .cse6 .cse5)))))) (= c_~var_1_18~0 c_~var_1_17~0) (not (fp.lt ((_ to_fp 8 24) c_currentRoundingMode (/ 259.0 4.0)) c_~var_1_17~0)) (= (_ bv0 8) c_~var_1_12~0) (= c_~var_1_5~0 c_~var_1_16~0) (not (= (_ bv0 8) c_~var_1_2~0))) is different from true